1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Collator/supportedLocalesOf/basic.js b/js/src/tests/test262/intl402/Collator/supportedLocalesOf/basic.js
new file mode 100644
index 0000000000..4ec8ea705a
--- /dev/null
+++ b/js/src/tests/test262/intl402/Collator/supportedLocalesOf/basic.js
@@ -0,0 +1,24 @@
+// Copyright 2012 Google Inc.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 10.2.2_a
+description: >
+    Tests that Intl.Collator has a supportedLocalesOf  property, and
+    it works as planned.
+---*/
+
+var defaultLocale = new Intl.Collator().resolvedOptions().locale;
+var notSupported = 'zxx'; // "no linguistic content"
+var requestedLocales = [defaultLocale, notSupported];
+
+var supportedLocales;
+
+assert(Intl.Collator.hasOwnProperty('supportedLocalesOf'), "Intl.Collator doesn't have a supportedLocalesOf property.");
+
+supportedLocales = Intl.Collator.supportedLocalesOf(requestedLocales);
+assert.sameValue(supportedLocales.length, 1, 'The length of supported locales list is not 1.');
+
+assert.sameValue(supportedLocales[0], defaultLocale, 'The default locale is not returned in the supported list.');
+
+reportCompare(0, 0);